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Eight Months Later, Intel X.Org 3.0 Driver Still In Development

Eight months ago today was the first development release of xf86-video-intel 3.0, the X.Org Intel DDX driver, with support for SNA by default and XMir. While Intel reverted their plans to support XMir, this major Intel DDX driver update still hasn't surfaced...

So what's holding it up? Is there some milestone they're shooting for? Blocking bugs?

I don't know how much new code they have to write, but if you pick the solution to write "v2.0" of your software starting from scratch with the goal of using all cool new tools and knowledge then you have to take into account that it will take a long time before the v2.0 will became feature compatible with v1.0. In some cases this approach is needed to breake with bad legacy design decisions.

It's not too much of an issue that the 3.0 official release hasn't happened yet given that most distributions ship some form of the Git code from the past few months, and that most of the exciting Intel Linux graphics work happens within the kernel DRM and Mesa, but still it's a bit surprising how long this release is taking to materialize.

Maybe they prefer quality and a low number of bugs over rushed releases?

it will take a long time before the v2.0 will became feature compatible with v1.0. In some cases this approach is needed to break with bad legacy design decisions.

That's pretty general/vague. These 2.99.x versions are supposed to be release candidates, and they've been coming out for 8 months, so they should be really close to release. I was wondering if there was something specific holding it up. (Looking through git log, it seems like there are still a lot of changes occurring.)